<span>Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be "veto bills," since this is one of the jobs of the President. </span></span>
The affect that geography had on the economy of the middle colonies was to help the economy. Farming was the main source of the economy and the fertile soil, and natural resources aided the Middle colonies economy.
Operation Rolling Thunder was a sustained bombing campaign against North Vietnam. This was a campaign run by the troops of the United States and the Republic of Vietnam forces (South Vietnam) and took place from 2nd of March 1965 until 2nd of November 1968. There were several reasons for the operation including stopping the flow of North Vietnamese commodities and men into the South, bombing North Vietnam's transportation system and to boost South Vietnam's morale.